Class B21J : FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES
Subclass 5/12: Methods for forging, hammering, or pressing (for working sheet metal or metal tubes, rods, or profiles B21D; for working wire B21F); Special equipment or accessories therefor for performing particular operations Forming profiles on internal or external surfaces (making screw-thread by forging, pressing, or hammering B21K)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12214413 | Processing unit and processing machine for processing a workpiece wall of a workpiece, and method for producing such a processing unit | Apr 28, 20 | Feb 04, 25 | FELSS Systems GmbH |
| 12134120 | Method for obtaining face teeth on an inner ring of a wheel hub and associated tool | Jan 28, 22 | Nov 05, 24 | Aktiebolaget SKF |
| 12064837 | Method for manufacturing kitchen knife by using multilayer material | Nov 30, 20 | Aug 20, 24 | Kongju National University Industry—University Cooperation Foundation |
| 12053816 | Apparatus and method for manufacturing rack bar | Oct 18, 19 | Aug 06, 24 | Neturen Co. Ltd. |
| 11980929 | Manufacturing method for hollow rack bar and hollow rack bar manufacturing apparatus | Nov 15, 18 | May 14, 24 | Neturen Co. Ltd. |
| 11951531 | Method and device for producing a hose nipple | May 06, 20 | Apr 09, 24 | ContiTech Techno-Chemie GmbH |
| 11897025 | Forging device and forging method for outer joint member of constant-velocity universal joint | Sep 14, 22 | Feb 13, 24 | NTN Corporation |
| 11898473 | Method and device for manufacturing hollow, internally cooled valves | Jul 22, 20 | Feb 13, 24 | Federal-Mogul Valvetrain GmbH |
| 11819962 | Torsion bar active length control and method of manufacturing | Mar 25, 21 | Nov 21, 23 | Steering Solutions IP Holding Corporation |
| 11684968 | Equipment and method for forming a front toothing on an inner ring of a wheel hub | Jul 27, 22 | Jun 27, 23 | Aktiebolaget SKF |
| 11565306 | Connecting element, method and apparatus for its production | Oct 18, 19 | Jan 31, 23 | MAC PANTHER GMBH |
| 11541450 | Shaft for steering device, method of manufacturing shaft for steering device, and electric power steering device | Feb 13, 18 | Jan 03, 23 | NSK LTD. |
| 11484934 | Manufacturing method of casing | Feb 19, 21 | Nov 01, 22 | Mitsubishi Heavy Industries Compressor Corporation |
| 11478845 | Forging device and forging method for outer joint member of constant-velocity universal joint | Dec 26, 18 | Oct 25, 22 | NTN Corporation |
| 11440084 | Method of manufacturing outside joint member | Dec 18, 19 | Sep 13, 22 | JTEKT CORPORATION |
| 11426786 | Equipment and method for forming a front toothing on an inner ring of a wheel hub | Jun 21, 21 | Aug 30, 22 | Aktiebolaget SKF |
| 11426785 | Method for the forming manufacturing of a gear toothing and tool device for the calibration of the gear cutting inlet and/or gear cutting outlet | Nov 24, 16 | Aug 30, 22 | ZF FRIEDRICHSHAFEN AG |
| 11383291 | Hollow drive shaft using upsetting method and manufacturing method therefor | Nov 29, 18 | Jul 12, 22 | ILJIN STEEL CORPORATION |
| 11364535 | Methods of forming forged fixed-cutter earth-boring drill bit bodies | Apr 06, 20 | Jun 21, 22 | Baker Hughes Holdings LLC |
| 11359995 | Gas sensor | Jan 24, 19 | Jun 14, 22 | NGK Spark Plug Co., Ltd. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0351,094 | APPARATUS AND METHOD FOR MANUFACTURING RACK BAR | Jul 02, 24 | Oct 24, 24 | Not available |
| 2022/0403,761 | METHOD AND DEVICE FOR MANUFACTURING HOLLOW, INTERNALLY COOLED VALVES | Jul 22, 20 | Dec 22, 22 | Not available |
| 2022/0241,841 | EQUIPMENT AND METHOD FOR FORMING A FRONT TOOTHING ON AN INNER RING OF A WHEEL HUB | Jan 29, 22 | Aug 04, 22 | Not available |
| 2021/0402,460 | Equipment and Method for Forming a Front Toothing on an Inner Ring of a Wheel Hub | Jun 21, 21 | Dec 30, 21 | Not available |
| 2019/0366,420 | ADDITIVE FORGING METHOD FOR PREPARING HOMOGENIZED FORGED PIECES | Jul 18, 19 | Dec 05, 19 | Not available |
| 2019/0351,476 | TEXTURE WORKPIECE AND METHOD FOR TEXTURING A WORKPIECE | Jan 26, 18 | Nov 21, 19 | Gripmetal Limited |
| 2018/0257,128 | METHOD OF FORGING DOGS OF DOG CLUTCH AND DOGS OF DOG CLUTCH | Feb 14, 18 | Sep 13, 18 | Not available |
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